The rectangle shown below has an area of 4(x+3) square units. a. use the distributive property to write an equivalent expression for the rectangle's are. b. if both of the dimensions of the original rectangle are doubled, what is the area of the new rectangle in terms of x?

Anyone know? is appreciated! will mark brainliest if correct!

Can someone pls ! pls answer all. no explanation needed..

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.