How would you get - 21 as an answer for 15 x - 10 x 4

Simplify 12^3/12^7 A. 12^4 B 1/12^4 C 1/12^-4 D 12^10

1. The local deli sells sandwich pepperoni. The pepperoni comes in the form of a cylinder. The radius of the pepperoni is 22 millimeters and the height of the pepperoni is 110 millimeters. What is the volume of the pepperoni?

Find the perimeter and area, to the nearest tenth, of an equilateral triangle with sides of length 30 in.

Why is life and why are humans existing on this planet

Explain how you know that the sum of 12.6, 3.1, and 5.4 is greater than 20

Divide. -24/7 enter the answer as a mixed number, in simplified form, in the box

Biff's suspension bridge has 40-foot towers spaced 80 feet apart. The main cable reaches down to a height of 5 feet from the level road surface; seven vertical cables are spaced 10 feet from each tower and from one another.

X - 2 = 16 A. 14 B. 18 C. 21 D. 12

A composite figure is comprised of a square and 4 semicircles. How can you decompose the composite figure to determine its area?

What is T. S. A formula of cube, cuboid?