Find k such that the roots of the quadratic are real, rational, and equal: 9x^2+kx+1=0

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36