David purchased three shirts that cost an equal price as well as a hat for $15. If he spent $47.52 shopping, write an equation that represents the situation.

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Simplify the expression. -2/5(10+15m-20n)