7-c < 1 or 4c < 12 solve and graph the compound inequality

What is the square root of 45? (step by step working plz)

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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%