1( which number is the solution for m + 90 = 150

a( 50

b( 60

c( 140

d( 240

2(which number is the solution of n/3 = -12

a( -36

b( -4

c( 4

d( 36

3( use mental math to find the solution of 19b = 190

a(10

b(11

c(171

d(280

4(estimate the solution of y + 1.8 = 3.14 to the nearest whole number

a(0

b(1

c(2

d(5

What is the value of  y  in the solution to the system of equations? x  +  y  =  12x  –  3y  =  –30a. –8b. –3c. 3d. 8

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?