Coordinate plane with triangles lmn and pqr with l at negative 3 comma 2, m at 1 comma 6, n at 1 comma 2, p at negative 2 comma 3, q at 0 comma 5, and r at 0 comma 3

which set of transformations would prove δlmn ~ δpqr?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.