The expression 3.14 x 10^3 is scientific notation for which of the following values? a. 314 b. 3,140 c. 31,400 d. 314,000

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

The trigonometric ratios sine and secant are reciprocals of each other

What is the radius of the cone in the diagram? round your answer to the nearest whole number