Two fewer than a number doubled is the same as the number decreased by 38. find the number.
if n is "the number," which equation could be used to solve for the number?
a. 2(n - 2) = n - 38
b.2n - 2 = n - 38
c.2(n - 2) = n + 38

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Does the point (1, sqrt 7) lie on circle shown.

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