Which trigonometric ratios are correct for triangle
ABC? Select three options.

Which of the following is an equation of a line parallel to the equation y=4x+1?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13