Deshaun has 19 employees on his staff. he gave 4 chocolate chip cookies and 2 peanut butter cookies to each employee. what is the total number of cookies he gave away?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!