The surface area of a sphere is found using the formula sa=4πr^2, where r is the radius. if the surface area of a sphere is 64π square feet, what is the radius, in feet? a. 3 b. 18 c. 1 d. 4

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?