What is the result of converting 20 once's into ponds

Diane has no sisters, but her brother Wayne has one more brother than he has sisters. How many brothers does Diane have?

What the the symbol for repeating decimal

The perimeter of a square is 320 cm. Find the length of each side

Anjali is adding a border to her 4 tablecloths. Each tablecloth requires 6 3/4 yards of border. How many yards of border will she use?

The sum of four times a number and negative three is twelve. What is the number? 2 1/4 3 3/4 -2 1/4 6

Find the variance of 101, 102, 100, 100, 110, 109, 109, 108, 109

The deli owner expects 750 customers. Based on the samples, about how many turkey sandwiches will the deli sell? Enter your answer rounded to the nearest whole number in the box.

Ratios equivalent to 7:4

The distance, d, in kilometres, travelled by a plane after t hours can be represented by d (t) = - 4t³=40t²+500t, where t is greater than or equal to 0 and less than or equal to 10. How long does the plane take to fly 4088 km?

What is 56 multiplied by 67%