How do i solve x=y+1 and 3x+2y=8 by substitution

a soccer ball and 12 golf balls have a total mass of 1 kilogram. the mass of each golf ball is about 0.046 kilogram what is the mass of the soccer ball? explain your answer.

Kathleen deposits $20 into her account that earns 2.5% interest that is compounded twice a year. How much money will Kathleen have in her account in 30 years?

Solve this problem what is the answer x=4.7+8.3

Connor went to New York for vacation he spent three nights at a hotel and rented a car for four days Jillian stayed at the same hotel that's been for Nathan Rent-A-Car for five days from the same company going to be at $675 and Joanne payday $175

Create your own table if someone runs 1/11 of a mile in one minute.

Consider this equation: - 3x - 5 + 2x = 6 Which is an equivalent equation after combining like terms? A. - 8 + 2x = 6 B. - 3x - 3 = 6 C. - 3x - 5 = 4 D. - x - 5 = 6

Which measurement is most accurate to describe the amount of time it would take to drive to a city 100 miles away? 55 seconds 35 minutes 2 hours 70 minutes

The store buys pencils for $.20 each. It sells the pencils for $.25 each. How much profit does the store make if it sells five dozen pencils

If a cone-shaped vase can hold 45 cubic centimeters of water and has a radius of 2 centimeters, what is the height of the vase? Use 3.14 for pi. Round your answer to the nearest hundredth.

The LCD of 7/10 and 1/4 is 40. true or false?