1. Dos autos están separados por una distancia de 500 km. Salen al encuentro uno del otro, el primero con una velocidad de 110 km/h y el segundo a 90 km/h. Calcula: a) El tiempo que tardan en encontrarse.
b) Distancia que recorre cada uno hasta encontrarse.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.