What are the values of the variable in 37 = 30 − x2

pleasse

Given that anna wants to spend less than $60 for the subscription and only full month subscriptions are offered, what is the maximum number of months that ana can subscribe

What is the slope of the line that contains the points (-2,1) and (0,-3)

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?