Which equation shows the relationship between the number of laptops remaining, y, and the day of the sale, x?
A. y=-3x + 18
B. y=3x + 18
C. y=-6x + 18
D. y=x+ 18

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle