Answer:
-7j-k-1
Step-by-step explanation:
<span>3y^2 • 4x^2y • 5x = (3*4*5) * (</span><span>y^2 * y) * (</span><span>x^2*x) = 60 * y^3 * x^3 = 60 (xy)^3
</span>where ((<span>y^2 * y)) adding the powers in case of multiplication
and also for this:</span><span> (<span>x^2*x)</span> </span>
Answer:
tax: $18.9
total cost: $333.9
Step-by-step explanation:
$315 × 0.06 = 18.9
18.9 + 315 = 333.9
btw you can also do "315 × 1.06" to get the total cost without having to manually add the tax
Answer:
Step-by-step explanation:
12) Decrease in miles = 22,250 - 14,500 = 7750 miles

= 34.83%
13) Decrease in speed = 40 - 25 = 15 mph

= 37.5%
25 anything raised to zero equals one