-3\frac{4}{5}+(−3\frac{1}{5}​) right this expresiion as an equvilent fraction and make sure their are no negitives plz alegbra 1. plz help me with my math

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

*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

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?