Solve.Suppose y varies directly with x and inversely with the square of z. When x = 8 and z = 4, then y = 2. Find y when x = 1 and z = 4.

A. y = 4
B. y = 
C. y = 
D. y = 1


Answer: C

Mathematics

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Graph.y2 - x2  = 

A.

B.

C.

D.

Mathematics

Convert. Round to the nearest tenth unless otherwise indicated.A summer day on the North Slope of Alaska can have a temperature as low as -11°C. What is t his temperature in degrees Fahrenheit?

A. 12.2°F B. -6.1°F C. 23.9°F D. -19.8°F

Mathematics

If   with A in QII, find ?

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

Mathematics

Divide, if possible.-63 ÷ (-9)

A. 8 B. 7 C. -7 D. -8

Mathematics