How do you use substitution to solve

y=12

2x-y=4

Find the area of a circle with diameter 18 ft

When you sign up for a gaming website you get two months will you be able to play

61 students sign up for the school play. About 34% of these students were boys. At the audition, only 31 girls attended. What percent of girls who sign up for the play attended the audition?

A construction worker needs 3 2/3 pounds of concrete mix. He has 1 1/2 pounds of concrete mix in one bag, and he has 3/10 pound of concrete mix in another bag.

A bucket contains one green block, one red block, and two yellow blocks. You choose one block from the bucket. Find the theoretocal probability that you will choose each color P (green) = P (yellow) = P (red) =

Tara age is twice saly age. joan is twice tara age, tara is12 years. how old saly age

A rectangle has a perimeter of 76. if the width is five more than twice the length find the width and length

Which fraction is greater than 1/2? 3/8, 1/4, 4/10, 3/5

A honeybee can fly 15 miles in 1 hour. How many miles can it fly in 40 minutes?

A jacket is on sale for 70% of the original price. If the discount saves $45, what was the original price of the jacket? What is the sale price?