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9713 of 17
josé has a monthly budget of $80 to put toward his hobby of
building model trains. he can afford to pay cash for his purchases, but he
uses his credit card to buy items at the hobby store for amounts that do
not exceed his budget.
assuming josé pays his balance in full every month, is he using his credit
card wisely?
o a no; he should always pay cash if he can.
ob. yes; he has already budgeted for this expense.
oc. no; he should only use credit cards for important purchases.
od. yes; he can use his cash to pay for something else he wants.

answer4 to the second power is 16

and 4 to the third power is 64,

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

step-by-step explanation:

; fx