There is an "x" drawn on a sheet of paper. one of the smaller angles created is 57 degrees. what are the other 3 angle measures? what are the two typed of angle pairs we need to use?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Determine domain and range, largest open interval, and intervals which function is continuous.