To test that the solution to the equation below is x = 4, which of the following calculations should be performed? -2/5x+3=1 a) -2/4(4)+3=1 b ) -2/4x+3+4=1+4 c) -2/4x * 4+3=1 * 4 d) - 2/4(4)+3=4

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?