Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m
B. 21 + m
C. 21 + 7m
D. 21 + 3m
Answer: D
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Solve the problem.In 2004, exit polls on the day of the election showed presidential candidate John Kerry ahead of George W. Bush. Later, it was found that those that voted for Bush were less interested in answering exit polls than other voters. This fact illustrates that the 2004 presidential exit polls were flawed because
A. of sampling variability. B. the sample size was too small. C. they were not a stratified survey. D. the sampling proportion was too small. E. of non-response bias.
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.Find the amount of cream of tartar needed if you take 
times the recipe.
A. Estimate: 6 tsp
Exact: 3
tsp
B. Estimate: 3
tsp
Exact: 6 tsp
C. Estimate: 4 tsp
Exact: 3
tsp
D. Estimate: 4 tsp
Exact: 3
tsp
Solve the problem.A customer at a store bought 6 bottles of juice and 5 fruit pies for a total cost of $73.00. If x represents the cost of a bottle of juice and y represents the cost of one fruit pie, write an equation in two variables that reflects the given conditions.
A. (6 + x) + (5 + y) = 73.00 B. (6 + x)(5 + y) = 73.00 C. 6x + 5y = 73.00 D. 5x + 6y = 73.00
The graph of f(x) = ax2 + bx + c is given in the figure. Solve the equation 
A. -4 B. 4 C. 0 D. No real solutions