Find the total surface area of the figure. a. 49 sq. mm
b. 133 sq. mm
c. 21 sq. mm
d. 84 sq. mm

Based on what i know about mean, this doesn't add up.

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt