if the polynomial x4 + 8x3 -5x2 +ax + b is exactly divisible by the polynomial 2x2-5 then find the values of a and b

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Which of these triangle pairs can be mapped to each other using two reflections?

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?