Simplify. show work, please help
A)
4(4x-9y)+8(3x+2y)

B) 6(9a-3b)-8(2a+4b)

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

Solve the triangle. a = 21°, c = 105°, c = 5

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?