Can somebody help me out my grade are bad

just use the photo math app it scans your math problem and it solves it for you and it gives you step by step and explanation

Step-by-step explanation:

go to the Play store then you download the app or wherever you get your apps and then I can't remember from there you might have to create account but it's super easy all you have to do is take a picture and it'll scan it but make sure it's clear it's really easy and it's free photo math is the best

false.

step-by-step explanation:

false.

cavalieri's principle makes that statement about the volumes, not about the areas.

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.