There are 9 grams of Strontium-90. Strontium-90 has a half-life of 28.8 years. Use the formula A = P * (1/2) ^ (t/h) to calculate the time it would take for the given mass to degrade down to 0.41 grams. Calculate the solution for t to the nearest tenth using logarithms .

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?

‼️‼️‼️‼️‼️the pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is 440 f, find the pressure exerted when the temperature of the gas is 380°f. (show work)

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?