There was 135 buttons in a jar after robin put more bottons into the jar there were 175 bottons in the jar how many groups of 10 bottons did she put into the jar

Super ultra mega important if you can answer this correctly i will give you 100 points but if you don't answer it correctly you'll get a big report. so stay aware and have a nice day!

What is the y intercept of f(x)=(1/2)^x?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.