∠a and \angle b∠b are vertical angles. if m\angle a=(4x+23)^{\circ}∠a=(4x+23) ∘ and m\angle b=(5x-7)^{\circ}∠b=(5x−7) ∘ , then find the measure of \angle b∠b.

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Write the following as a base and exponent

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?