Translate into an equation the sum of 9 times a number and 7 equals 5x
use variable w for the unknown number ​

2.5 milligrams is equivalent to how many grams

Find the value of the variable and the length of each chord for #5 and #6.

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)