Calculate the area of triangle cde with altitude ef, given c(3, −2), d(−1, 2), e(2, 3), and f(0, 1). (6 points)

a
4 square units

b
6.2 square units

c
8 square units

d
8.7 square units

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

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?

Multiplying fractions by whole number 5 x 1/3=?