A student is collecting signatures for a petition to change an unfavorable school rule. One lunch shift the student collected 70 signatures. This is the signatures required for the petition. How many signatures did the student need?​

Find the multiplicative inverse of 8-12i

Secant be and cf intersect at point d inside a what is the measure of cde

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.