X - 10 = - 30 how would i find this question?

Robin is making bows to sell at her mothers yard sale. She will use 3/4 foot of red ribbon and 2/3 foot of blue ribbon.

John is three years older than Simon. In five years time, their ages together are 33 years. How old is Joshua and Simon?

A 200-kg boulder has 39,200 joules of potential energy, what height is the boulder?

What number could replace p below? p/4=6/8

Which phrase is a description of 2m+7 a 7 more than 2 times m b 2 more than 7 times m c 2 times the sum of 7 and m d 7 times the sum of 2 and m

If someone went on a 5 kilometer hike how many meters did they walk

How many three-digit numbers greater than 100 are palindromes?

How many x-intercepts are there in y = - 3x2 + 4x + 4

Which is the best estimate 9.6-6.2

In a game of pool, a 0.4 kg cue ball is traveling at + 0.80 m/s when it hits a slower striped ball moving at + 0.38 m/s. After the collision, the striped ball moves off at + 0.62 m/s.