Let the function f(x) have the form f(x) = acos(x+ c). to produce a graph that matches the one shown below, what must the value of a be? a. 1 b. 4 c. 3 d. 2

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.