A dance academy charges $10 per class and a one-time registration fee for $50, a student pays a total of $90 to the academy, find the number of classes that students took.

What is an equation of a parabola with a vertex at the origin and directrix x=4.75?

Given 4x+5y=2b and x+3y=b what is the value of 17y

If 45% of a number is 27 then what is 10% of that same number?

Real world problem to represent 2x-125=400

Complete the square for3x^2-12x=9

What does seven plus seven equal

The amount of a sample remaining after t days is given by the equation P (1) - Al2where A is the initial amount of the sample and h is the half-life, in days, of the substance. A sample contains 60% of its original amount of Fermium- 257.

What order will result a final output of 131,065 when the first input is 64

The three incoming currents at a node in an electrical current measure. 7 amps,.68amps,.47 amps. two of the three outgoing currents measure. 8 amps and. 55 amps. find the measure of the third outgoing current

Your school raised 125% of it's fundraising goal. The school raised $6750 what was the goal?