The ratio of boys to girls in a group is 7:3. If there are 40 more boys than girls, work out how many people there are in total.

How many grams are in 8 kilograms? if 100 grams = 1 kilogram

The value √10 and √15 are plotted on the number line

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no