What is the product?

(–3s + 2t)(4s – t)

–12s2 – 2t2
–12s2 + 2t2
–12s2 + 8st – 2t2
–12s2 + 11st – 2t2

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Graph y = -|x| + 2. click on the graph until the correct one appears.

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?