Solve the problem.A mass hangs from a spring which oscillates up and down. The position P of the mass at time t is given by P = 4 cos(4t)What is the amplitude? What is the period? Graph this function over two periods beginning at t = 0. 
What will be an ideal response?
amplitude = 4, period = 
| P = 4cos(4t) |
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Which of the following does not utilize the commutative property (there may be more than one property used)? ?
A.
?5(x + 4) = 5x + 5(4) = 5x + 4(5)
B.
?
C.
?a + (b + c) = (a + b) + c
D.
?a + (b + c) = (b + a) + c
E.
?None of the above.
Simplify.
+ 
A. 
B. 
C. 1
D. 
Solve the problem.Jason purchased rose plants and sunflower plants for his garden. Rose plants cost $9 each, and sunflower plants cost $14 each. If his spending limit was $276, write an inequality to show the possible combinations of rose plants and sunflower plants he could have purchased.
A. 9x + 14y ? 276 B. 9x + 14y ? 276 C. 14x + 9y ? 276 D. 14x + 9y ? 276
Solve the problem.A box of instant brownies has the list of ingredients shown in the table. Use this information to find the amount of the stated ingredient you would need to make the indicated number of servings.
Water3 tablespoonsOil
cupNuts
cupBrownie Mix2
cupsAmount of brownie mix for 15 servings
A. 2 cups
B. 90 tablespoons
C. 1
cups
D. 3
cups