X+y=20 is it linear and is it proportional or nonproportional

According to edward t. hall, the range of which type of distance is approximately 1½ to 4 feet?

Find r if 3 (r - 7) = 4 (2 - 2r) + 4

10.) If a new shirt costs $34.99 and the sales tax is $2.10, the sales tax rate is A. 2 percent B. 4 percent C. 6 percent D. 8 percent

Trees are planted along a road that is 2 kilometers 50 meters long. Eleven trees are planted at an equal distance apart along the road. What is the distance in meters between each tree?

A table has an area of 12 and a perimeter of 16 ft. What are the dimensions of the table? 2 ft by 6 ft 2 ft by 8 ft 4 ft by 3 ft 4 ft by 4 ft

Ms. Brody is choosing a flowerpot. There are 5 ceramic pots, 7 wooden pots, and 10 plastic pots. How many choices for a flowerpot does she have? 75 45 350 22

Perpendicular to the y axis passes through (-1,2) slope: equation:

Ralph is leasing a car worth $24,000 for three years. His leasing company says that the car Ralph is leasing will only be worth $16,000 at the end of his lease.

What is the volume of a sphere with a radius of 7 cm? Sphere V = grum 1. Substitute the radius into the formula: V = 2 (73) 2. Evaluate the power: V = (343) 3. Simplify: 7 cm

Erica purchased adult and youth tickets for a movie. She bought x adult tickets for $7 each and y youth tickets for $5. Write an expression that can be used to show the total cost, C, of all tickets. A. C = 7x + 5y B. C = (7 + 5) x C.