If 3^2x+1=81, what is the value of x? x=1/4 x=1/2 x=3/2 x=2/3

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

98 point question what is the record for most points in one

*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