Given the equation x + 2y = 0, which equation will form a system of linear equations without a solution? Please help

In the diagram below, tan θ = sqrt 3. what is the value of m?

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up