PLS HELP ME
The last one is (x+2)^2 + (y-1) ^2 = 12

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9