Multiply the expressions.(a - 11)(a + 11)
A. a2 - 121
B. a2 + 22a - 121
C. a2 - 22a - 121
D. a2 - 22
Answer: A
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Answer the question.Anna goes to a frozen yogurt shop. She can choose from any of the following toppings: peanuts, caramel sauce, butterscotch chips, strawberries, and cookie dough bits. How many different variations of yogurt and toppings can be made?
A. 32 B. 16 C. 64 D. 6
Find the second derivative.s = 
+ 7
A. 14t + 7 B. 7t C. 14t D. 7t2
Convert as indicated. Express the answer in decimal form when needed.4.0 miles per week to feet per week
A. 7040 ft/wk B. 586.67 ft/wk C. 21,120 ft/wk D. 1760 ft/wk
Solve. Give your answer as a mixed numeral.Tim needs to apply 1
gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 176 acres?
A. 44
gal
B. 45 gal
C. 140
gal
D. 220 gal