Solve the simultaneous equations 8 x + 5 y = 28 4 x + 5 y = 16 What is x and what is Y NO WORKING OUT REQUIRED
WILL GIVE BRAINLIEST

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Combine like terms to make a simpler expression 3z+z