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What is the LCM of 9 and 21?

3

36

63

189

a plumber worked at a house on two diffrent days. on the first day, the plumber worked for 5/8 of an hour, on the second day the plumber worked for 1/4. What is the total amount of time, in hours, the plumber worked

A shipment contains 10 good and 4 defective bulbs. If three bulbs are selected without replacement, determine the probability the third is defective given the first two are good.

If r = 6 units and X = 16 units, then what is the surface area of the cone shown above? 72 square units 154 square units 96 square units 132 square units

Four expressions are shown below which expression are equivalent A:10 (10 + 5y) B:5 (20x + 25y) C:5 (2x + y) D: 0.25 (400x + 500y)

Set up an inequality:I cannot spend more than $35 at the school Book Fair. Posters are $5. How many books could I buy if they are $6.50 each and I want to buy poster?

Miguel made a histogram to show the ages of all participants involved in a fundraiser which of the histogram did Miguel forget to create

Y and x have a proportional relationship, and y = 25 when x = 60. What is the value of x when y = 30? -25 -36 -50 -72

2. During a 5-day training at your department, the number of visitors tripled each day. If the training started on a Monday with 345 attendees, what was the attendance on Thursday?

If prices increase at a monthly rate of 3.8 %, by what percentage do they increase in a year?

The fifth graders took a trip to the atlanta zoo. eighty three kids went on the field trip. adult tickets were free. we had to pay a 5.00 dollar parking fee. our total bill for entering the park was 586.00.