Answer:
Step-by-step explanation:
hello :
(2x + 9)(3-z) = 0 means : 2x+9=0 or 3-z=0
x= -9/2 or z=3
first make mixed
13/4 x 5/8
just multiply the numerator with numerator and denominator with denominator
13x5=65
4x8=32
65/32 or 2 1/32
