Acell phone service provider offers two plans. plan a includes a fee of $25 per month and charges $0.25 for every call. plan b includes a fee of $40 per month and offers unlimited calls. for what number of phone calls is the cost of plan b less than the cost of plan a? more than 160 calls more than 120 calls more than 100 calls more than 60 calls

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Find the value of x. give reasons to justify your solutions! h ∈ ig