Solve the problem.Noah's subtotal at Scramble's Electronics is  The sales tax on these items is  What was Noah's total bill?

A. $19.65
B. $20.75
C. $19.75
D. $20.65


Answer: B

Mathematics

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Find the potential function f for the field F.F = 

A. f(x, y, z) = 
B. f(x, y, z) = x24y9z15
C. f(x, y, z) = x8y3z5
D. f(x, y, z) = x8y3z5 + 3x8y2z5 + 5x8y3z4

Mathematics

Simplify the expression. Assume that variables represent nonzero numbers.(w6z)4(w5z6)

A. w29z10 B. w120z24 C. w11z10 D. w15z10

Mathematics

Change the logarithmic expression to an equivalent expression involving an exponent.logb 27 = 3

A. 3b = 27 B. 27b = 3 C. 273 = b D. b3 = 27

Mathematics

Solve the problem.The position of a weight attached to a spring is s(t) = -4 cos 5t. What are the frequency and period of the system?

A. Frequency =  cycles per sec, period =  sec
B. Frequency = 5 cycles per sec, period =  sec
C. Frequency =  cycles per sec, period =  sec
D. Frequency =  cycles per sec, period =  sec

Mathematics