18. Xander's water bottle has 15.4 oz of water in it and Xander is drinking 0.5 oz of water
each second. Leon's water bottle has 5.4 oz of
water in it and Leon is adding 0.75 oz of water
each second.
Write an inequality that could be used to find
the number of seconds it will take for
Xander's water bottle to have a fewer number
of ounces than Leon's water bottle.

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered