Step-by-step explanation:
(secx-tanx)(secx+tanx)
=sec^2-tan^2
=1
Answer:

Step-by-step explanation:
With a negative fractional exponent place a 1 over the positive value

rewrite 8 as

apply the power rule and multiply the exponents.
cancel the common factor of 3
rewrite the expression

raise 2 to the power of 4 which =16
so the answer is

Answer:
The answer is: From any point on the graph, he counts down 2 then right 3 to end up on the line again.
Step-by-step explanation:
5(15)+(15)(15)=75+225
=300
Answer:
$319.60
Step-by-step explanation:
Normal Game console cost : $399.50
Discount: %20 (0.20)
$399.50×0.20= $79.90
Total cost of discount $79.90
$399.50-$79.90= $319.60
New cost after Discount= $319.60