(1,−1)and(6,9) Write the slope-intercept form of the equation of the line through the given points.

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?