The sum of two numbers is at most 12, and the sum of three times the first number and eight times the second number is at least 48

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?