5. In Figure 7.14 below. ABC is a semicircle with center at O. BD 1 AC such that BD=Som and BC = 10cm.
6cm D
12cm
B
Find
Figure 7.10
m(ZABC)= 90°, BD is
ind the values of the
a. CD
b. AD
C. AC
d. OB
BAC DC
D
Figure 7.14
6. In Figure 7.15 below, 0, is the center of the semicircle ABC.
BD I AC DO = 3em and BD = 6om. Find the radius of the circle.
8 cm
Figure 7.15

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.