What is the equation of a line with slope 3 with y-intercept (0, 4)?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)