Evaluate the expression for the given value of x.
4x+9 for x =9

45

since x=9 plug in 9 into the equation to get

4(9)+9

multiply 4(9) to get

36

Then add 9

which then equals 45

answer is 45

Step-by-step explanation:

4×9=36

36+9=45

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.