Bob and alice have a mortgage for $73,280. if the mortgage is set at 7 percent for 30 years, how much is their monthly payment if their rate is 6.75 per 1,000?

a) $494.64
b) $91,647
c) $243.64
d) $473.34

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Answer this question only if you know the answer! 30 points and

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