Round to the nearest tenth if you need to but i need the answer!

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12