Oak has a density of 650 kilograms per cubic meter. what is the mass of a block of oak wood with a volume of 12 cubic meters?
a) 7800 kg
b) 662 kg
c) 638 kg
d) 54 kg

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.