How many four letter words can be obtained using any of the 26 letters of the alphabet, if repetition of letters is allowed?

A large pizza costs $18. Each topping you add on costs 1.50

What multiplication equal 32

how do I solve this problem? 7/9x54=

Determine if - 81.42 is rational or irrational. If it is rational, write the number as a ratio of two integers.

What is the difference between 28.935 and 13.011, to the nearest integer?

Use properties of addition and subtraction to evaluate the expression. -42-29-28

Which term best describes a fraction that has a variable or variable expression in its numerator or denominator

What is 7 4/7 simplified

Riley had to add this group of numbers (56 + 47 + 53), but he wanted to add them as quickly and as easily as possible. Here is how he decided to add the numbers: 56 + 47 + 53 = 56 + (47 + 53) = 56 + 100 = 156.

Does the rule y=-5x^6 represent an exponential function