There are 3 times as many ducks as cows on a farm. There are 400 legs altogether. How many ducks and cows are there altogether?

You practice the piano for 30 min. each day. Write and solve an equation to find the total time t you spend practicing the piano in a week.

What is 17/18 minus 2/3

10. 9. Solve the equation (x-2) (x+2) = 0 (4F) A. 02,0 B. O-2, 2 C. O-2 D. 2

What is the area of the shaded region? Question 1 options: 190 cm2 200 cm2 20 cm2 10 cm2

Solve the inequality below -3x+72<105

A 96 mile trip required 6 gallons of gasoline. At the rate, how many gallons would be required on a 160-mile trip?

Solve the equation for Y. 4x-5y=9

The rate at which a planet receives heat from a hot sphere such as sun varies directly with the fourth power of the sun's absolute tempature, directly with the surface area of the Sun, and inversely with the square of the distance from the Sun to

Write the algebraic expression for the quotient of 79 and x

Which expression is equivalent to 647 times 39.