An art supply store sells posters for $9 each and picture frames for $15 each. write an expression for the total cost of 6 posters and 6 frames.

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Can you decompose the numbers 20,740,6,000

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?