Astack of bricks is 3 1/2 feet high.
each brick is 1 3/4 inches high.
how many bricks in the stack?

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

What is the square root of 45? (step by step working plz)

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*