Estimate whether the sum is reasonable or not for 1/5+5/8 is about 3/4.

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

The product of sin 30 degrees and sin 60 degrees is same as the product of

Determine the area of a triangle with (see picture below)