Which pair of numbers is relatively prime? 49 and 56, 65 and 70, 90 and 91, 100 and 102

What is 4.2 converted into a fully reduced fraction?

34,982 nearest 10,000

A watermelon seed is 4mm long. How far would a line of 114 watermelon seeds stretch? Write your answer in meters.

Sarah's mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the villages actual width?

A neon atom has 10 protons and 10 electrons. The 10 protons have a charge of + 10 and the 10 electrons have a charge of - 10. No other particles in the atom have a charge. What is the sum of the charges in the neon atom?

Multiplying numbers by place value

What is the differnce between union and intersection in math

1. 8 x (-7) 2. - 7 x 4 3. which product is greater? (-9) x (-3) or x (-7) x (-2) ? Explain.

Edit her story about her family

What is the distance d, from the base of the building to the bottom of this 30-foot ladder when the top of the ladder reaches a height, h, of 28 feet on the building's wall? 1.4 feet? 2 feet? 10.8 feet? 41 feet?