A student has a 90, 84, and an 86 on there first 3 tests. What score would the student need to make on the 4th test to bring his test average up to 90?

What could explain what happened when the time was equal to 120 minutes

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m