Is it possible to solve the system {3x-2y=10][ x+2y=6} by using substitution? if so, explain how. which method substitution or elimination, is more efficient? why?

What two-dimensional cross section do a cube and a square pyramid have in common? Select all that apply. A. ellipse B. hexagon c. octagon D. square E. triangle

A clothing maker accepts the initial price of 400 tepizs/m^2 in a small island. The price of this cloth in New York is 120 dollar/yard^2. If the clothing maker bought 500m^2 of this fabric, how much money did he lose? (in dollars) Use 1 tepiz = 0.

The perimeter of a rectangular field is 354 yards. If the width of the field is 82 yards, what is its length

A whale is 85m below the surface of the sea. A bird is directly above the whale and 28m above the surface of the sea. Find the height of the bird above the whale.

Jimmy invests $18,000 in an account that pays 5.85% compounded quarterly. How long (in years and months) will it take his investment to reach $25,000?

Paul bought a package of 6 spiral notebooks for a total cost of $13.50. which equation represents p

If the population of a city is 8,839,469 then declines by 4% every year, what is the population in 3 years?

Declan ran 509 meters in 5 minutes. calculate the unit rate

You are in a room with 100 light bulbs. Each light bulb is numbered from 1 to 100 and each has its own switch. All lights begin in the off position.

How do you prove 2 circles are similar?