Your friend really wants to buy the newest, coolest cell phone which will cost him $310. He gets a job detailing cars and SUVs and plans to save all the money he earns. If he gets paid $60 to detail a car and $85 to detail an SUV, which of the following linear inequality can be used to determine how many of each he must detail in order to earn at least $310? 1. 60c + 85x < 310

2. 60c + 85s ≥ 310

3. 60c + 85x ≤ 310

4. 60c + 85s > 310

PLEASE HELP QUICK. I WILL GIVE BRAINLIEST TO THE CORRECT ANSWER!

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.