Solving systems of equations by substitution

y = x - 8

y = - 4

Four times the sum of twice x and 1

The distance a body falls from rest varies as the square of the time the body is falling. If a body falls 64 ft. in two seconds, how far will it fall in seven seconds?

How many kilograms are equal to 5,000 grams?

The sum of the reciprocal of a number and 2/3 is 23/30. Find the number

Which would be appropriate compatible numbers to use to estimate (19 4/5) (4/6) A. 16 (1/3) B. 19 (2/3) C. 20 (1/2) D. 20 (1)

Shirts are on sale at a price of $50 for 4. How many shirts can be purchased for $125?

What's 125,210,000 written in word form

Samantha saw two bottles of ketchup at the store. One bottle contained 4 pints while the other contained 1.25 quarts of ketchup. Which one was the better bargain

42 = 7/6w What is w?

Suppose you invest $10,410 in equipment to manufacture a new board game. Each game costs $2.65 to manufacture and sells for $20. How many games must you make and sell before your business breaks even? a. 500 games c. 600 games b. 550 games d.