Marta and her brother are saving their money to buy a basketball that costs $45. If Marta has $29.75 and her brother has $18.50, do they have enough money together to buy the basketball?

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

X+ y = 5 ; x - y =3 solve using linear combination

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered