Pls help
7x − 8y = –14
x − 3y = –15
solve using subsitution

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

Solve the equation.then check your solution 8=1.88+a