Answer: x=90
Step-by-step explanation: 11 x 7.5 =90
(b+5)(b-7)
hope it can help u
Marco's equation is correct. Cosine is an even function, which means that for every x, f(-x) = f(x). In other words, you get the same answer for a negative value that you would for its corresponding positive value.
Answer:
34 is 85% of 40
Step-by-step explanation:
