Answer:

Step-by-step explanation:

Using rule of exponents 

Using rule of exponents 


To equalize the negative sign, we'll move t to the denominator

*looks at question for a while* .....
OH !
If you lived in Great Britain and you wanted to buy one Euro it would cost LESS THAN A POUND .
Answer:
x and y
Step-by-step explanation:
Variables are always the numbers that're replaced with a letter. For example, in the equation:
2t+6
t would be the variable.
Hope this helps!! <3 :)
Hello!
To find cosine, use the formula cos = adjacent / hypotenuse.
According to angle B, adjacent of angle B is side A, and the hypotenuse is side c because the hypotenuse is always opposite the right angle.
Therefore, the cosine of angle B is a/c.