Combine the like terms to create an equivalent expression 2r+1 + (-4r) + 7

You are tasked with building a tower of blocks exactly 10 cm high. You have two types of block to work with. Each block A is 2 cm high, and each block B is 3 cm high.

The radius of a circle measures 7 inches. A central angle of the circle measuring 4π/15 radians cuts off a sector. What is the area of the sector? Enter your answer, as a simplified fraction, in the box.

86=9x-4? This is my maths algebra, find the meaning of x?

A homeowner wants to increase the size of a rectangular deck that now measures 14 feet by 22 feet. The building code allows for a deck to have a maximum area of 800 square feet.

What is the solution to this equation? -12x = 84

If a chicken farm sold 3,000 eggs last week, how many individual eggs were sold

What's 1+1 x 2x2+6x5 then what is 5x7x6x8

10 percent of what number is 20?

2. You are making necklaces for your friends. You have 72 blue beads and 42 red beads. Each friend will receive an identical necklace, and all beads must be used

A medium order of Blazin' Wings from Buffalo Wild wings costs 14.99 for 12 wings, What is the price per wing? What would be the price for 36 wings?