The explicit rule for an arithmetic sequence is an = -4 + (n - 1)7. what is the common difference of the arithmetic sequence? d = what is the first term of the arithmetic sequence?

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

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