Acatering service offers 7 appetizers, 8 main courses, and 11 desserts. a banquet chairperson is to select 5 appetizers, 5 main courses, and 9 desserts for a banquet. in how many ways can this be done?

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.