Calculate the slope of the straight line through the points 
and 
. Try to do the calculations mentally.
Fill in the blank(s) with the appropriate word(s).
Answer: 4
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Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 361.0 B. x = 1.0 C. x = 12 D. x = 9
Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?
A. 35 B. 21 C. 16,807 D. 2520
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp