Solve the problem.Joe bought 8 bolts on one day and 4 more the next. How many bolts did he buy?

A. 22 bolts
B. 4 bolts
C. 13 bolts
D. 12 bolts


Answer: D

Mathematics

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Find the limit, if it exists. 

A. 93.5
B.
C. ±
D. Does not exist

Mathematics

Provide an appropriate response.Using a graphing calculator, choose the equation corresponding to the graph:

A. y = -3x2 + 4x - 1 B. y = 3x2 + 4x + 1 C. y = -3x2 - 4x - 1 D. y = 3x2 - 4x + 1

Mathematics

A series circuit with R, XC, and XL is in resonance. If R = 60 ê, XC = 300 ê, and XL = 300 ê, what is the value of Z?

a. 220 ê b. 330 ê c. 660 ê d. 60 ê e. 360 ê

Mathematics

Given that y is directly proportional to x and  when , find y when

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?

A. ?
B. ?
C.
D. ?
E. ?

Mathematics