Sophia knows that there are 4550 seats in her school's theater. If each row has 6 more seats than the row before it, and there are 26 rows, how many seats are there in the first row?​

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Jon’s weight loss for each week of the month is 5 lbs., 2.5 lbs., and 2.5 lbs. he gained 3.5 lbs. the last week. if jon originally weighed 198 lbs., how much does he weigh now?

The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.