Write the equation y - 3 = 4(x + 1) in standard form.

write the equation y + 7 = -2(x - 3 in slope intercept form.

write this equation y - 5 = 3(x - 2) in slope intercept form and in standard form.

can somme me with those three algebra questions pleeaaseee

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

How do i put 3(x+7) in distributive property

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.