Help meee please

what is 1/2 in decimal form

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.