What do the following two equations represent? - x-3y=-1 - x-3y=-1

Before being put out of service, the supersonic jet Concorde made a trip averaging 120 mi/h less than the speed of sound for 0.1 h and 410 mi/h more than the speed of sound for 3.0 h. If the trip covered 3,990 mi, what is the speed of sound?

you are choosing a new cell phone. the screen on your current phone is 10.8 cm high and 6.1 cm wide. the screen on the new phone is 12.4 cm high and 6.9 cm wide.

Identify the errors and explain them: a) The absolute value of - 4 is - 4 because - 4 is 4 units to the left of zero. b) The absolute value of a number can be negative

Which transactions should be recorded in the Deposit column of a check register? Brainliest answer Choose all answers that are correct. A. $35 paycheck deposit into checking account B. $60 cash deposit at ATM C. $25 transfer from savings account D.

Circle the step where the error has occurred. Explain why it is an error. Given: 2 (10-13) = - 34+60 Step 1: Distribute 20-26 = - 34+60 Step 2: Addition Property of Equality -26 = - 34+80 Step 3: Addition Property of Equality 8=

How to rewrite 16 in exponential notation using 2 as the base

List two school activities that u do in the morning time and afternoon time. write time for these two activities

Which is the principal value of / arccos/left (0.10/right) arccos (0.10) ?

What is the GCF of 3b and 30b

How do you multiply (x+5) (x+5) (x+5)