Fifteen less than the product of 10 and a number is -105. What is the number?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see