Simplify b - 5 + 2b = 21

What two same numbers that times up to 136

A thief steals an ATM card and must randomly guess the correct three -digit pin code from a 10 -key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try?

The ratio of nickels to dimes that Wade had saved in his bank was 10/13. If total number of nickels and dimes saved was 391, how many of them were dimes?

Which comparison statement is true? A. 3.67 3.607 C. 3.67 = 3.607

A bag contains purple marbles and blue marbles, 41 in total. The number of purple marbles is 4 less than 2 times the number of blue marbles. How many purple marbles are there?

A planes trajectary from toronto to montreal is represented by this equation h=-2.5t^2+200 h = hieght of flight and t = time of flight. How long would the flight from toronto to montreal last?

A small refrigerator is a cube with a side length of 14 inches. Use the formula S = 6s2 to find the surface area of the cube.

Tom got 38 Valentine's mike got 42 Steve got 51 and Charles got 29 what was the average number of Valentine's each one got?

Nathan Perez earned $220 in simple interest in 9 months. What is his account's annual interest rate if he deposited $4,000?

Is 0.7 equal to less than or greater than 7/9