Richard will increase the amount of time he studies each night from a period of 40 minutes to a period of 50 minutes by what percentage will Richard increase the amount of time he studies each night? A. 80%
B. 25%
C. 35%
D. 40%​

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"