The ideal length of a particular metal rod is 30.5 cm. the measured length may vary from the ideal length by at most 0.015 cm. what is the range of acceptable lengths for the rod?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.