Which expression is equivalent to 13-(-18)

~

Step-by-step explanation:

we want to simplify the following expression:

remove parentheses and change its sign because we know that two negatives make positive Thus:

finally simplify addition:

hence,

here you hope this .

step-by-step explanation:

hypotenuse = √(15² + 8²)

=  √(225 +64)

=  √(289) = 17

sin(x) = cos(y) = 8/17

they are identical so long as you are doing the sine of one angle and the cosine of the only other angle that isn't the right angle.

mental cunning

explanation:

he is often referred to as a man of twists and turns