An overnight mail service charges $5.10 for the first 6 ounces and $.85 for each additional ounce or fraction of an ounce. Find the weight, in ounces, of the package that cost $11.90 to deliver

Find the whole explain your message 30% of what number is 15

In triangle PQR, we have angle Q = 90 depress and sin P = 1/4. Find sin R. Answer is. 968 but how to I get there.

What fraction on simplest form is equivalant to 0.155

21,326,438.86 expandedform

What is 1/2 (7x-6) = 6x-10

Does (1, 0) make the equation y = x + 1 true?

Find the angle between each of the following pairs of vectors A⃗ = Axi^+Ayj^ and B⃗ = Bxi^+Byj^ ... Ax1 = - 3.20, Ay1 = 4.40; Bx1 = 2.70, By1 = - 3.10. i know this is dot prodoct but the calculater just keep saying error

What is the discriminant D of the equation? 3g² + 15g + 10 = 0

Three less than a 6 times a number is 39. find the number

Pam is playing with red and black marbles. the number of red marbles she has is three more than twice the number of black marbles she has. she has 42 marbles in all. how many red marbles does pam have