Find the area of a circle with a diameter of 4. Either enter an exact answer in terms of it or use 3.14 for 7 and enter your answer as a decimal.
units?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar

How can you check that you have correctly converted frequencies to relative frequencies?