Hasil dari : -3 - (-1) - (-5) = .....

The ligth of two lighthouses in the sea flash at regular intervals of every 12 minutes and 18 minutes respectively. The first flash together at 9 p.m. When is the next time they will flash together again?

Arrange the fractions 7/5, 31/15, 11/6 in descending order.

Fill in the blanks with <= or >= to make the following statements true. "Class 7E has at least 40 students. The number of students in class 7E is ...40

Susan planted 40/50 of a packet of sunflower seeds in twenty equal rows. what fraction of the packet of sunflower seeds does each row contain?

Fill in the blanks with <= or >= to make the following statements true. "That wallet contains not more than $80. That wallet has...$80.

Use the divisibility tests to check if 12.345.625 is divisible by 9?

20 : (2/3 - 1/6) + 80% - 14/5 = ....

Determine the value of x if : x/3 = 21/9

Least Common Multiple of 130,140, and 150.

Charlos drank 1/5 can of soft drink every day. How many cans of soft drink did he drink after 65 days?

Highest Common Factor of 130, 140, and 150.