Preston reads for 20 minutes and practices his math facts for 5 minutes each night? after several days he had practiced math facts for 45 minutes. How many minutes did Preston read in the same time period.

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so