Which equation can be used to find the total cost, t, of m videos for $12 each? also me explain it and what's the answer a, b,c, d you

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?