Mark is playing an online puzzle game. He has 40 points and earns 2 points
for each puzzle he solves correctly. He will advance to the next level if his
score is over 60 points.
Which inequality can Mark use to find how many more puzzles he must solve
to advance to the next level?
O A. 2x+40 < 60
O
B. 40x + 2 > 60
O
O
C. 2x+60 < 40
D. 2x + 40 > 60

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%

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).