2 years ago my mother was 4 times my age then. In 18 years I will be half my mothers new age. How old am I now?

I am so stuck 2 years ago Sx4-M (S+18) = (M+18) / 2 Now what do I do

H E L P! Simplify the expression - 4d+3-8+6+d-1

Find the area of a rectangle with base of 12 inches and height of 8 inches.

What is 11.25 rounded to the nearest hundredth

Taylor baked a cake to serve after dinner. Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. explain how they could have divided the pieces so that everyone could eat the same amount of cake.

a random sample of 510 high school students has a normal distribution. The sample mean average ACT exam score was 21 with a 3.2 standard deviation. Construct a 99% confidence interval estimate of the population mean average ACT exam.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

Perpendicular lines form angles

The cost of manufacturing A certain type of headphone varies inversely as the number of headphones increase. If 5000 headphones can be manufactured for $15.00 each find the cost to manufacture 7,500 headphones

Twice jacks age plus five is 21. Write and solve an equation. How old is jack

How can you make sure your solution is correct in a quadratic formula