The temperature in a greenhouse should be 67 degrees f or higher. one morning the heater stopped working. the temperature dropped 4 degrees before someone fixed the heater. the temperature was still at least 67 degrees fahrenheit when the heater started working again. how can you best describe the temperature in the greenhouse before the heater stopped working.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?