How many pennies are on the chessboard? 264 264 - 1 264 - 232

Find x and y. 6x+7iy=18-21i a. x = 3, y = - 3c. x = - 5, y = 6 b. x = 8, y = - 1d. x = 6, y = 18

you buy 50 of your favorite songs from songs from a website that charges $.99 for each song what is the cost of 50 songs? Use mental math

What's bigger 60% of 90 or half of 100?

Alex is on vacation and has the clothes listed above with her. She is trying to pick out an outfit. What is the probability she chooses a red shirt and a pair of jeans?

What is 5x to the second power + 15

The circumstance of a circular region is shown. What type of number best describes the diameter of the circle? Explain your answer

Sora gave her this clue. Find Sora's age My age is 10 more than one tenth of one tenth of one tenth of 3,000

Connor found that 60% of 40 is the same as 25% of another number, n. What is the value of n?

Elisa's mom teaches at preschool. There is 1 teacher for every 12 students at the preschool. There are 276 students at the preschool. Elisa is setting up equivalent ratios to find the number of teachers at the preschool.

A recent online survey published that a hospital needs 9 nurses for every 45 patients. How many nurses a hospital would need in order to take care of 255 patients?