2 (r - 3) - 5 (r + 2)

A sail is in the form of a right triangle the angle at its lower edge is 57 degrees what is the size of the angle formed at the top of the sail?

The equation d=3t represents the relationship between the distance (d) in inches that a snail is from a certain rock and the time (t) in minutes. How far will the snail be from the rock after 9 minutes?

Find the sum of the first 18 terms of the arithmetic sequence whose nth term is an = 3n - 1.

Area of rectangle tabletop is 4 square feet. cassie will cover the tabletop with squares tile that an area of 1 square inch. how many tiles does cassie need to completely cover the tabletop

Y = (x-4) (x+20) find vertex

Ted walked 5/8 mile to his soccer game then he walked 3/8 mile to his friends house which distance is shorter

How do you factor 1-r^2

Elimination method using multiplication:3x+2y=0 and x-5y=17

Is - 4^2< (-4) ^2 a false statement

Can a triangle be formed with the side lengths of 8 cm 15 cm and 17 cm