Reyna wants to mail a birthday package to her cousin. the post office told her it would take $5.70 in postage to send the package. reyna has 3 75-cent stamps and 20 45-cent stamps. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let x represent the 75-cent stamps and y represent the 45-cent stamps.

Ineed i been stuck on this question since yesterday

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

How many 2/5s are in 1 and 1/2 plz someone me right now