Which of the following is NOT a perfect square trinomial? Group of answer choices

^2+20−100
4^2−20+25
^2+18+81
16^2−24+9^2

Ten times the square of a non-zero number is eqaul to ninety times the number

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph. which is the residual value when x = –2? a)–2 b)–1 c)1 d)2