If ∠a and ∠b are supplementary angles and m∠a = 3m∠b, find m∠a and m∠b.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams