Help me please!! Name the Property of Equality that justifies the statement:
If m∠A + m∠B = m∠C, then m∠A = m∠C - m∠B
A. Transitive Property
B. Symmetric Property
C. Reflexive Property
D. Subtraction Property

What is the y-intercept of the line given by the equation

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c