For △abc , m∠a=(2x+3)°, m∠b=(x+5)°, and m∠c=(3x+4)°.
what is the measure of angle a?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line