What is the seventh term of the sequence whose nth term is (n + 1)(n − 2)?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

What is the slope of the line shown below?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g