A teacher divided the class into two groups of equal size. 3 5 of the first group are right-handed.

80% of the second group are right-handed.

What fraction of the class is right-handed?

A.4/5

B.7/10

C.5/7

D.8/9

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.