What is the value of x in the equation x − 7 = 11?
1.57
4
15
18

The trigonometric ratios sine and secant are reciprocals of each other

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

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