The cost of a jacket is reduced by 10 percent. The jacket now costs £81. What was the original price?

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?