From a balloon 1052 feet high, the angle of depression to the ranger headquarters is 47°32'. How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)? A) 958 ft
B) 963 ft
C) 968 ft
D) 953 ft

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

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

Predict which statements are true about the intervals of the continuous function. check all that apply