A number a is fewer than –11 or at least –4

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)