Isaiah puts a 10 gram weight on a pan balance. how many 1-gram weights does he need to balance the scale

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0