Please answer my newest questions, i need them for a test that's due very soon, thanks! (you can get free points from me while your here!)

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight

M∠cbd=4x+52∘ m∠abc=8x−10∘\qquad m \angle abc = 8x - 10^\circm∠abc=8x−10∘ find m∠cbdm\angle cbdm∠cbd: