Ok so cos(x) = sin(90-x) so using that you can get sin(7x-15) = sin(90-(3x+5)) so 7x-15 = -3x+85. 10x = 100 and x = 10. Use that to find the 2 angles are 55 and 35
13+5p+4r you add 7+6=13 then you bring down the rest
Answer:
1080
Step-by-step explanation:
just multiply all the numbers to get the area of the whole shape.
Answer
89x-7
Step-by-step explanation: