Please help me with my math homework

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =

The directions on a sewing pattern say to cut an extra 15% of fabric to account for error.chloe needs 0.75 yard of fabric to make a skirt, and she cuts 0.1125 yard.did chloe cut the correct amount of fabric? why or why not? a. chloe cut enough fabric because she cut the amount of fabric for the skirt. b. chloe cut enough fabric because she cut enough fabric for the skirt and the amount of extra fabric. c. chloe did not cut enough fabric because she only cut the amount of fabric for the skirt. d. chloe did not cut enough fabric because she only cut the amount of extra fabric.

Aletter in the word electric is chosen at random. complete each sentence. there are possible outcomes. the theoretical probability that a vowel will not be chosen is the ratio . the theoretical probability that the letter n will be chosen is .