Karen makes $5 per hour babysitting and $12 per hour giving music lessons. one weekend, she worked a total of 18 hours and mad $139. how many hours did she spend babysitting?

Which graph shows a function with a range of all real numbers greater than or equal to -1

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.

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.