Multiply and simplify: x+4/x-5*x-1/x^22x-8

Max has pennies and nickels in his coin collection which is an expression for the dollar value of his collection using P for pennies and n for nickels

The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. What percent of the scores are less than 81? A. 84% B. 13.5% C. 50% D. 16%

What is the circumference mad area of a circlw of the diameter is 7.7 feet

What is 3/4:9 what is 3/4:9

Multiply: (3x + 7) (5x² - 3x + 6)

A markdown that is less than 1%

Find the dimensions of a rectangle whose width is 7 miles less than it's length and whose area is 120 square miles.

Is 19 over 5 a rational number

Which term describes the fraction that has a variable or a variable expression

What is the sum of the complex number 2+3i and 4+8i, where i=√-1?