Phyllis has 5 bags of "y yellow balls, 3 bags of "w" white balls, and 6 bags of " red balls. Write an expression to represent the total number of balls, and find the number
of terms in the expression.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed