Which equation has no real solutions? 2x²+2x+15=0

2x²+5x-3=0

x²+7x+2=0

x²-4x+2=0​

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Which expression is rational? 6. , square root two, square root 14, square root 49

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?