Use rounding or compatible numbers to estimate the sum. 256+321

Determine the surface of the cover of a textbook that has a length of 11 inches, a width of 8 inches, and a height of 3 inches.

A talent show has 11 acts. Each act is 10 minutes long. How long does the talent show last not including intermission.

5% of what number is 2

Bella is planning to write in a journal. some pages will have one journal entry on them, and the other pages will have two journal entries on them. if bella wants to make 10 entries, how many different ways can she write them in her journal?

William is planning an 8-night road trip. It will cost $80 for transportation, $220 for food, and $90 per night for a hotel room. He has $684 in savings and can earn $24 per hour tutoring.

Graph the following line by plotting the x and y intercepts: x + 3y = 6

5x squared minus 16x minus 13 divided by x minus 4

determine if the ordered pair is a solution of the equation is (2,4) a solution of y = 10 - 3*? true or false

Which two estimates is the quotient 345:8 between

1/3 times 34 estimated answer