The value of the square root of 42 is [blank] number. Its value is between [blank] .
Blank 1 options: A. a rational B. an irrational
Blank 2 options: A. 3 and 5 B. 5 and 7 C. 7 and 9

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

With number 11 ( show how you got the answer)

Measure a and b and find their sum. how are the angles related?