Choose the symbol that would make this problem correct a

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

If x = -2 and y = 12, thеn 2(3х3 + 2у2) = оао о в 12 о с 48 ооо oo 96

Assume the availability of a function is_prime. assume a variable n has been associated with positive integer. write the statements needed to compute the sum of the first n prime numbers. the sum should be associated with the variable total. note: is_prime takes an integer as a parameter and returns true if and only if that integer is prime.\