Hi, please help if your good at terms in math 30b+60 is my problem
First what I did was find the gcf of 30 and 60 which is 30.
then I wrote the expression 30(1b+2) as my answer, I pressed enter and it says it was wrong. Can someone please tell me what I did wrong and how to get the right answer?

Two lines parallel to the same plane are parallel to eachother

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet