Which number line models the expression -1 1/4-(-1/2)

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.)

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120