1.)simplify the expression: 4 times start root 18 end root plus 5 times start root 32 end root 2.)simplify the expression: 7 times start root 5 end root minus 3 times start root 80 end root 3.)simplify the expression: start root 21 end root times left parenthesis start root 3 end root plus start root 14 end root right parenthesis. 4.)simplify by rationalizing the denominator: start fraction 4 over start root 10 end root minus start root 6 end root end fraction i will make you the brainiest!

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?