Ms. Singer can explain all of the steps to solve a complicated math problem in 20 minutes. Mr. Sparks can explain all of the steps to solve a complicated math problem in 15 minutes. If Ms. Singer and Mr. Sparks work together to explain a
complicated mathematics problem, how long will period 1 take to learn the steps to solve one complicated math problem,
rounded to the NEAREST minute

25 ! i need asap! ! ill mark brainliest!

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour.is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers