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Evaluate the expression for the given value.
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1. 9(b ¸ 5) for b = 10
2. for c = 2
3. for x = –7, y = 6, and z = –11
4. for x = –5
5. The cost of a school banquet is $90 for the room rental and $14 per person attending. Write an expression to model the total cost of the banquet for p people. What is the cost for 75 people?
a. / ; $1,335b. / ; $1,140
c. / ; $1,140
d. / ; $1,335
6. Identify the property. 1 + x = x + 1
a. / Identity Property of Multiplicationb. / Identity Property of Addition
c. / Associative Property of Addition
d. / Commutative Property of Addition
8.
a. /b. /
c. /
d. /
9. Find the absolute value.
10. Compare. Write <, >, or =.
Simplify the expression.
13.
14.
15.
16.
17. During the day the temperature was . At night, the temperature dropped . What was the temperature at night?
a. / 34b. / –6
c. / –34
d. / 6
Write using exponents.
18.
19. Which number is divisible by 2 and 4?
757 / 5,471 / 269 / 2,42420. Find the GCF of 39 and 60 by listing factors.
21. Use multiples to write two fractions equivalent to .
a. /b. /
c. /
d. /
22. Find the missing number.
23. Write the fraction in simplest form.
24. Write as a decimal. Round to three decimal places.
25. A player has a batting average of .195. Write this decimal as a fraction in simplest form.
Compare. Write <, >, or =.
26.
28.
29.
30.
Solve the equation.
31.
32.
33. Find the two square roots of .
34. Find the length of the hypotenuse of a right triangle with legs of 15 cm and 20 cm.
Find the sum or difference. Write your answer as a mixed number or a fraction in simplest form.
35. +
36. –
Find the product.
37. ()
Find the quotient.
38. ()
39. Represent the ratio 9 : 19 in two other ways.
40. You pay $2.50 for 5 bagels. What is the unit price?
41. A plane travels 220 mi/h for 2 hr and 300 mi/h for 0.5 hr. What is the plane’s average speed over the total distance?
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