The sum of a number and 21 is 64 what is the value of the number

Given that £1=$1 ... 62 what is 650 pounds in dollars

23 feet high with a radius of 6.25 feet

In the spring of 2016, he develops on-line videos as a supplement to his class lecture. During that semester, his average grade is 71% from a sample of 49 students. The level of significance is 2.5%. What is the correct conclusion? a.

Evaluate (x^-2y^0) / (x^3y^-2) when x = 2 and y = 5. a. 25/2 b. 25/32 c. 50

If you pick a card at random from a well shuffled deck, what is the probability that you get a face card or a spade?

Find the quotient of 63.49 divided by 7.1, round to the nearest hundred

What is the slope of a line that is parallel to the line y = 3/4x + 2?

Analyze the graph. Which inequality represents the graph? y > x + 4 y - 3x + 4 y < - 3x + 4

If x = 2 calculate the value of x squared - x

Are 5/y² + 2 and 1 - 5/y² + 2y not quadratic expressions? Why?