Each u. s. penny weighs 2.5 grams. how many pennies, x is how many pennies it an equation, are on scale if their total weight is 37.5 grams: a. 2.5+x=37.5 x=12,b. 2.5x=37.5 x=15, c. x-2.5=37.5 x=40,d. 2.5x=37.5 x= answer quick.

Rearrange the formula c^2 = a^2 + b^2 for b

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.