Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane. How old is each now?

The wheel in G. O unicycle has a circumference of 0.9 yards. How far will he travel if the wheel on his unicycle completes 1,000 rotations

Find the derivative of (1/X^5)

Let f (x) = - 4x+7 and g (x) = 10x-6. Find f (g (x)) Answer choices: A. - 40x+24 B. - 40x+31 C. - 40x+64 D. - 40x+70

Find the value of the coefficient a in the equation ax+2y=8, if the solution to the equation is the pair x=2 and y=1.

What is the prime factorization of 675 using exponents?

Suppose the skaters complete one lap around a park that has the shape of a regular pentagon what is the sum of the angles through which they turn

A class consists of 12 students (six boys and six girls) and one teacher. In how many ways can the students sit in a circle?

This equation shows how a sapling's height depends on its age. h = 3a The variable A represents the age of the sapling in years, and the variable h represents the height of the sapling in inches.

Simplify the expression - 4x2 (3x - 7)

What is x plus 34 times 34 if x equals 3