Solve the following system of equations.

x + 2y − 6 = z
3y − 2z = 7
4 + 3x = 2y − 5z

a.
b.
c. x = 0, y = 5, z = 4
d. x = 2, y = 1, z = 2

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Can some one me with these questions

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x