Write the decimal multiplication problem for the shaded in area.

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details