What is the value of the expression 7a - 3bc, where a=3, b=4 and c=0?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

If a translation of t-3,-8(x, y) is applied to square abcd what is the y-coordinate of b'? the y-coordinate of is 43 mark this and return save and exit next submit

Can someone me do math because i am having a breakdown rn because i don’t get it