The course for a local triathlon has the shape of a right triangle. the legs of the triangle consist of a 4-mile swim and a 10-mile run. the hypotenuse of the triangle is the biking portion of the event. how far is the biking part of the triathlon? round to the nearest tenth if necessary.

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?