Which expression is equivalent to the given expression? -(1/2y+1/4)

-1/4(1+22y)
1/4(2y-1)
-2(1/4y-1/8
2(1/8-1/4y)

Step-by-step explanation:

Given

Required

Select equivalent expression

Write each term as a product of 1/4

Factorize:

Apply commutative property:

Hence, option (a) is correct.

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.