Do perpendicular lines always have a slope that are negative reciprocals. Explain your answer

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Find the value of x that will make l ll m

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?