Arosella is riding a bicycle whose wheels are 26 inches in diameter if the wheels rotate at 750* in one sec find the speed at which she is traveling in mi/hr

In pqr the obtuse angle is 105 and the shorter sides measure 4 and 7 units rounded to the nearest tenth what is the area of triangle pqr

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?