Substitution to solve each system

Y=2x-2

Y=x+2

Don't understand how to work out this problem

Mariska was comparing her options for investment. One choice she was looking at showed that her principal of $1,875 over 10 years would earn $1,125 in interest giving her a total of $3,000 at the end of the investment period.

5 to the power of 7 divided by 5 times 5 to the power of 3

Why is 20 not a square root

mario answered 36 answers correctly on a science test that had 50 question. What percent of the question did mario answer correstly?

Find the gcf of 10, 100, 250

What is. 99 divide by 6475 rounded to the nearest whole number

If someone says a jacket is 25% off what does that mean

Explain what it meant by the following, and illustrate with an example

Solve the inequality. then your grap solution. 3x = 15

Elanor's newborn baby weighs 3400g. Convert the weight to pounds. Round to the nearest tenth of a pound.