Emma's sister is nine years older than emma. their combined ages add up to 49.how old is emma. write and equation and solve

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

What are the soultion(s) to the quadratic equation 40- x^2=0

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?