Find the line of best fit: y= _ x+_ // *round to the hundredths place❗❗

Estimate the grade for a student that did not study at all: _ % // *round to the nearest whole percent❗❗

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Plz hurry evaluate the expression a+b where a=8 and b=19