Ahot water heater measures 20" in diameter. what is the area of a metal base for the water heater, assuming a 2 inch overhang around the base of the water heater? (round to the nearest tenth.) square inches.

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0