In 1978, the Social Security and Medicare rate combined was 6.05% up to 17,700 7,700 earned Part A Express the Social Security and Medicare tax s(x) for 1978 as a piecewise function. Part B Ten years later, the percent had increased to 7.51% and the maximum taxable income had increased to 45,000 Express the Social Security and Medicare tax s(x) for 1988 as a piecewi function. Part C if a person earned 50,000 in 1978, and 50,000 in 1988, what was the difference in the social Security and Medicare taxes paid? Show your work or explain your answer.20. Simplify each of the following expressions by collecting like terms. (1)/(2)x^2+(5)/(6)x^2-(2)/(3)x^2 b) (3)/(5)a+(1)/(3)b+(2)/(3)a-(1)/(5)b C) (2)/(3)x+5-(5)/(6)x+(4)/(3)15. 163 is what percent of 3,310 4.9244%The slope of tangent line to the parametric curve x=2t^2+5t,y=t^2+6t+1 at an arbitrary point on the curve is square An equation for the tangent line at the point (7,8)) is squareOYO Practice: 1. What is the solution of the system of equations? ) y=x+4 x-y=1 2. What is the solution of the system of equations? ) y=2x+1 2x-y=3PREV 151617181920212223 NEXT