Susan was given the math problem x - 4 + -11. She found the answer to be 7. Critique her answer. Is she correct? How do you know? PLS ANSWER ASAP!!! <3

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Find the dimensions of the circle. area = 64π in.² r= in.

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.