Solve the problem. Write all linear equations in slope-intercept form.By reading a graph on defense spending in the country of Warpeas, you discover that in year 0 the country spent $42 million on defense and in year 8 spent $378 million. Write a linear function that relates y (in millions of dollars) to x.

A. y = -42x - 42
B. y = x + 42
C. y = x + 42
D. y = 42x + 42


Answer: D

Mathematics

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Solve the equation.x2/3 + 4x1/3 - 5 = 0

A. {-125, 1} B. {-1, 5} C. {-1, 125} D. {-5, 1}

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Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.midpoint , endpoint (-4, 6)

A. (-12, 5) B. (-12, 8) C. (4, 4) D. (-2, -2)

Mathematics

Solve the problem.A circular pool measures 8 feet across. One cubic yard of concrete is to be used to create a circular border of uniform width around the pool. If the border is to have a depth of , how wide will the border be? Use 3.14 to approximate ?. Express your solution rounded to two decimal places. (1 cubic yard = 27 cubic feet)

A. 8.37 ft B. 3.1 ft C. 5.43 ft D. 2.88 ft

Mathematics

Find the indicated matrix.(A + B)2, where A = , B = 

A.

B.
 
C.

D.

Mathematics