Which formula can be used to find the measure of angle a. 1/2(a°+b°) b. 1/2(a°-c°) c. 1/2(b°+c°) d. 1/2(a°-b°)

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Why can't my rank go i have 1723 points, but my rank is only at ambitious, which is only 250 points! like, (p.s. i know this isn't related to math, but i just don't know why it's doing this and i would really appreciate if someone could tell me whats going on with this)

Flvs question 3 exam: 04.10 segment one exam part two what is the measure of angle x? picture is shown