If Sarah goes to the shop to buy a dress and her budget is 500dhs, how many dresses can she buy if they are 150dhs each plus she bought a meal for 50 dhs? Write out the equation where number of dresses is x.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.