Who is correct? explain your reasoning.

alejandra: 2a2b(−2ab3)−2 = (2a2b)(−2ab3)2
= (2a2b)(−2)2a2(b3)2
= (2a2b)22a2b6 = 8a4b7

kyle: 2a2b(−2ab3)−2=2a2b(−2)−2a(b3)−2
= 2a2b(4ab−6)
= 2a2bb64a
= ab72

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation

Dange measures and finds that she can do a vertical jump that is 27.5% of her height if dange is 48 inches tall how high can she jump