Maxine spent 15 hours doing her homework last week. this week she spent 18 hours doing homework. she says that she spent 120% more time doing homework this week. is she correct? show work to justify your decision.

What is the square root of 45? (step by step working plz)

Anyone know? will mark brainliest if correct

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.