When a number, a, is first multiplied by 4, then subtracted from 68, the result obtained is three times the sum of a and 4. • Find the value of the square of a.

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

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What term makes it inconsistent y=2x - 4 ?