What number must be added to the expression below to complete the square?
x² + 72
O A.
49
4
O B. 7
C. 49
O D.
NIN

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m