Write an algebraic expression for each verbal expression. Then simplify, indicating the properties used.
31. twice the sum of s and t decreased by s
32. 5 times the product of x and y increased by 3xy
33. the product of 6 and the square of z, increased by the sum of 7, z2, and 6
34. 6 times the sum of x and y squared minus 3 times the sum of x and
y squared

c

step-by-step explanation:

d

step-by-step explanation:

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers

nothjing

step-by-step explanation: