Mrs. Benton Treats herself to her today at the nail salon swan. The services she receives arm manicure for $25 and a pedicure for $30 she ask for a special nail polish that cost five dollars extra she decides to leave a 30% tip which expression can we use a calculator the tip

Graph the linear function using the slooe and y intercept

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

X+y=-4 x-y=2 use elimination with adding and subtraction