Find the difference of the following polynomials. Arrange the terms in descending powers of the variable.

Subtract - 4 + 3a2 from 7a - a2.

Human body temperatures are normally distributed with a mean of 98.20degreesF and a standard deviation of 0.62 degrees f. Find the temperature that separates the top 7% from the bottom 93%. Round to the nearest hundredth of a degree.

Rational number between 5.2 and 5.5

What is the unit rate of 2.5 miles in 11.5 minutes

What is (5n times 9) times 2n

Evaluate at the given value 4x^2+6x-5 when x=-3

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x

Y + 1 = - 7 (x+1) write an equation in slope intercept form

1+1+1+2+3+5+5+7+8+8+8+8+8+8+8+8+8•110

A cyclist rides her bike at a speed of 10 miles per hour. What is this speed in kilometers per hour? How many kilometers will the cyclist travel in 4 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers.