What is the image of (0,8) after a dilation by a scale factor of 1/2 centered at the origin?

Can you simplify 4/7? 24 points will be awarded!

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

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