Round to the nearest thousands place if necessary 5/6

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

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

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall