7) Each equation represents a proportional relationship. Choose the equations for which the constant of proportionality is 3/4
A)
24y = 18x
Fic
B)
y = 0.75
3x - 4y = 0
las
D)
4x - y = 0
E)
Y+ - 3/4x

4. find the geometric mean of 4 and 12. 24 8

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets, x, and the number of student tickets, y. find the solution and explain what it means. i'll you if you me