A gemstone is cut in the shape of a triangular pyramid. The area of the base of the pyramid is 42 square millimeters. The height of the pyramid is 4 millimeters. What is the volume of the gemstone? (Recall the formula V = one-third B h.)

step-by-step explanation:

a rhombus is a parallelogram enjoying his symmetry.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

80

step-by-step explanation:

the answer is 15.50 for one mile

b) is slope: 0   y- intercept 15.5