A6-pound watermelon costs $2.40 before a 30% discount. which equation would allow you to find the discounted price of the watermelon?
in each equation the variable ‘d’ represents the discounted price
a. ) d = 0.7 x $2.40
b.) 2.40 = 0.3d
c.) 2.40 = 0.7d
d.) d= 0.3 x $2.40

What is the value of x when x + 7 = 21?

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15