The graph of the function y=tan(x) was horizontally stretched so that its period became 10pi Which is the equation of the transformed function?

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal