Which number has the same value as 40 tens

What is 8x+-5x equal to?

The following is an example of what type of sequence? 3, 11, 19, 27, 35 ... a.-geometric c.-ratio b.-arithmetic d.-difference

What's the eqaution for 9-2x=35

Explain how you can solve 40 and 16 by breaking apart the numbers

If two events a and b are mutually exclusive, what does the special rule of addition state? p (a or b. = p (a) + p (b) p (a and b. = p (a) + p (b) p (a and/or b. = p (a) + p (b) p (a or b. = p (a) - p (b)

The number of bricks on the bottom row was 21, and each row above it had 2 fewer bricks. If there were 11 rows in the stack of bricks, how many bricks were there altogether?

How do you write in word form 770,070?

If f (x) = (-x) 3, what is f (-2) ?

A student solved this problem and said the answer was 1 5/12 cups. Susie used 2 3/4 cups of milk to make milkshakes and 1 1/3 cups of milk to make pancakes. What is the total amount of milk Susie used? Is the student's answer reasonable? A.

What is (2n + 20) + 60 = 90?