Beverly has a bag of marbles that weighs 30 grams. She knows that each marble weighs 1. 5 grams and the bag weighs 1. 5 grams. Which equation could she use to determine how many marbles are in the bag? select all that apply. (1. 5)x + 1. 5 = 30 30 – x = 2(1. 5) (1. 5)(30) = 1. 5x 1. 5 + x = 30 1. 5x = 30 – 1. 5.

While trees are not the largest level in the pyramid of numbers, they are still the base for both the pyramids of biomass and pyramids of energy. select the best answer from the choices provided t f

Marijuana is likely to make a driver? a. become enraged at others' mistakes b. drive faster than is safe c. overreact to sounds on the road d. respond passively to a hazard

Asociologist chose 300 students at random from each of two schools and asked each student how many siblings he or she has . the result are shown in the table below. there are a total of 2,400 students at lincoln school and 3,300 students at washington school .what is the median number of siblings for all the students surveyed ? a)0b)1c)2d)3