The table shows information about some children. Age 11
Age 12
Total
Girls
6
a
b
Boys
с
9
18
Total
d
16
e
A pupil is selected at random.
What is the probability of selecting a boy?
Give your answer in its simplest form.

Can someone me with my hwplz(only the circled ones)

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.