Perform the indicated operation.Subtract (-8a5 - 4a2) from (16a5 + 10a2).

A. 38a7
B. 24a5 + 6a2
C. 24a5 + 14a2
D. 8a5 + 6a2


Answer: C

Mathematics

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Find the value of the expression.-|21|

A. -21 B. 21 C. 0 D. 42

Mathematics

Solve the problem.In the table below, the amount of the U.S. minimum wage is listed for selected years. ?Find an exponential regression model of the form y = a ? bx, where y represents the U.S. minimum wage x years after 1960. Round a and b to four decimal places. According to this model, what will the minimum wage be in 2005? In 2010?

What will be an ideal response?

Mathematics

A collection of coins has a value of $4.12. There is the same number of nickels and dimes but four fewer pennies than nickels or dimes. How many pennies are in the collection if there are 74 coins? ?

A. 15 pennies B. 32 pennies C. 22 pennies D. 4 pennies E. 34 pennies

Mathematics

Find the first term a1 and the common difference d of the arithmetic sequence.563, 554, 545, 536, . . .

A. a1 = -9, d = 9 B. a1 = -9, d = -563 C. a1 = 563, d = -9 D. a1 = 563, d = 563

Mathematics