If a gold coin has 9 parts gold and 1 part other metals, what percent of the coin is gold?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265