Which of the pairs of angles are vertical angles and thus congruent?
O ZA and LG
O ZA and ZB
O ZC and ZF
O ZD and ZH

help please !!

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?