Can u guys answer this question 9 asap

$ 9.99  almost  $ 10 she would save every week.

Step-by-step explanation:

Weekly Salary = $ 628

Tax deduction= $149.8

Superannuation Fund = 4.5 % of $ 628= $28.26

Mortgage = 8 % of 628= $ 50.24

Income after deductions = $ 628- $ 149.8 - $ 28.26- $ 50.24=  $ 399.7

10 % of $ 399.7 = $ 39.97 almost $ 40

In one week  she would save $39.97/4= $ 9.99 = $ 10

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)