Two numbers have a sum of 24 and 7 times the first number minus the second number is equal to 16. what is the smaller number

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers