Q1. 2x
3r - 15
20+ 24
28
The diagram shows a parallelogram.
The sizes of the angles, in degrees, are
2x
3x - 15
2x
2x + 24
Work out the value of x.

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.