Please help !! Area of Composite Figures
ммии
Some boxes mighi
not be used
Name Write your name here
Find the sea of each composite flore and round your answer to the nearest Whole Number (Freesty
145
151
136
Start
154
121
192
168
184
189
10
186
139
142
10
140
148
129
149
134
192
191
163
10
186
IN
158
Finish
Om ettemates

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great