What is the solution to this system?

y = 4x + 3

2x - 3y = 21

Solve x + 5x - 14 = 0 I'm doing factorising and solving quadratics.

Write the ratio as a fraction in simplest form. 1.29$ for 20 ounces (per ounce)

How many milligrams in 7 centigrams

Two angles are supplementary. The measure of the first angle is 10 degrees more than three times the second angle. Find the measure of each angle

Kenisha went shopping at a kids clothing store where the shirts and pants were the same price. she bought 8 shirts and 6 pairs of pants she also bought a toy for $4. she spent a total of $88. how much did each shirt or pair of pants cost?

A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below, (firework A: 340 ft/s, firework B: 320 ft/s) Firework B is launched 0.25 s before Firework A.

The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 35. What is the age of the person who entered the room?

What is 15 x minus 3 y = 0 written in slope-intercept form?

A sphere has a diameter of 14 ft. What is its surface area? The surface area of the sphere is ft squared. (Type an exact answer in terms of pi .)

The area of a rectangle r is 48. if its sides are whole numbers, then its perimeter cannot be