Aboat traveled 210 miles downstream and back. the trip downstream took 10 hous. the trip back took 70hours. what is the speed of the boat in still water. what is the speed of the current

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

True or false? a circle could be circumscribed about the quadrilateral below.