- GO DEEPER Marco received a gift card. He used it to
buy 2 bike lights for $10.50 each. Then he bought a
handlebar bag for $18.25. After these purchases, he had
S0.75 left on the card. How much money was on the gift
card when Marco received it?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Ineed here’s a picture of the question