What value in place of the question mark makes the polynomial below a
perfect square trinomial?
16x2 + ? x+ 36

The circumference of a circle is 5 pi cm. what is the area of the circle?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.