Jane has a gift card with a balance of $100. she buys several t-shirts that cost $15 each. after the purchases, her gift card balance is $10. write an equation to find out how many t-shirts jane bought.

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.

What is the measure of angle tvu shown in the diagram below

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons