Twice a number, n, increased by 7 is equal to 19

Davidson family wants to expand its rectangular patio, which currently measures 15 ft by 12 ft. they want to extend the length and width the same amount to increase the total area of the patio by 160 ft2.

It took 3.5 hours for an airplane traveling at a constant speed of 550 miles per hour to reach its destination. What distance did the airplane travel until it reached its destination?

What is 7500 written in scientific notation

A quick-loan company charges an 18% fee on any loan that is paid up to one week late. A woman borrowed $400 and paid the loan back 3 days late. What is the total she has to pay, including any fee?

What is the solution to the system? y=9*+5 y=9*-7

What is 0.793 rounded to the nearest hundredths

1) A regular hexagon is mapped onto itself every time it is rotated

Equation of line passing through (4, 12 and (4,-8)

Hey factory could produce 84 toy robots in one day. The purchasing equipment. Now they can produce 105 robots in one day. What is the percent increase?

Solve the inequality -40 > - 10k