7th grade math easy (best answer)

∠3 and ∠4 are complementary angles. m∠4 = 49°
what is the measure of ∠3 ?

enter your answer in the box.

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax