A ruler cost x pence A pen coat 10 pence more than the ruler
Write an expression in terms of x for the total cost of 3 pens and 2 rulers ?

Please can someone help me as soon as possible:)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

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?