The bottom of a ladder rests on the ground and the top of the ladder rests against a wall. The ladder forms a 66° angle with the ground and the top of the ladder is positioned 11 meters up the wall. Which is the exact measure of the ladder in meters? a) 11/sin(66°) meters
b) sin(66°)/11 meters
c) sin(66°/11) meters
d) sin(11°/66) meters

Given that abcd is a rhombus, what is the value of x?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

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