What is the answer to 25 = k/5; k = 5

Sonny substituted 5 for x in the proportion 16/x=48/15 and cross multiplied to get 240=240. Why is this?

Elect the relationship between each pair of quantities that are proportional. a A small pizza costs $9.00 and each additional topping costs $0.75 b A health club charges $45 per month.

Which is equivalent to the expression? 4 (x + 5) + 4x + 8 A) 4 (2x + 7) B) 5x + 17 C) 8 (x + 4) D) 8x + 13

X squared + 14x+2 = 0

Which is the most efficient first step to solve for x in the equation 3.7 x minus 18 = negative 4.3 x minus 34? Add 3.7x to both sides of the equation. Add 4.3x to both sides of the equation. Subtract 18 from both sides of the equation.

A temperature recorded in Antarctica was - 119 Fahrenheit the temperature recorded in the Sahara desert was 134 Fahrenheit how many degrees warmer is 134 Fahrenheit than - 119 Fahrenheit

Jayla planted a tomato plant. It is now 3 inches tall and growing at a rate of 2 inches per week. When it is 13 inches tall she will need to stake it so it won't fall over.

And I don't regularly priced at $80 is on sale for 20% off. There is a 3% sales tax. What is the sales price before sales taxes?

In how many years will $1,200 yield an interest of $180 at 3% simple interest?

Jackie is making a beaded bracelet. The bracelet will have no more than 12 beads. 1/3 of the beads on the bracelet will be green. What. other fractions could represent the part of the beads on the bracelet that will be green?