For every 15 minutes of reading alianna earns 7 stickers on her sticker chart. Write a ratio describe the relationship using a:b format

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle