Me !

which value of a solves the equation?
a to the power of -2 = 1/64
a.-16 b.8 c.4 d.-32

which property is shown?
-2 + (-15)= -( 2+15 )
a. associative property
b. identity property
c. opposite of sum property
d. commutative property

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *