What is 2 times (-21) using an integer to find the answer and the integer is c?

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

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