Pls answer ASAP first one gets brainliest.

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

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Solve for the equation. 4x - 13 = 2x + 9