81x² + 16y2 = 49

How do you do this

Solve 4 (a+4) - 2=34 what is a

If y is 6 and x is 4 what is y when x is 17

On a number line, which fraction is to the right of 3/5? A) 1/8 B) 3/12 C) 6/10 D) 3/4

Two angles are given m m

4/5 is, or = to 0.4, explain why will give brainliest maybe

One eighth of phil's 72 buttons are red. How many of his buttons are not red?

A moving company charges $250 to rent a truck and $0.40 for each mile driven. Mr. Lee paid a total of $314. Which equation can be used to find m, the number of miles he drove the moving truck?

435 rounded to the nearest hundred

Daniel is six feet tall and casts a shadow of 3.5 feet long. If his daughter is four feet tall, how long will her shadow be? a) 1.9 b) 5.3 c) 2.3 (the 3 has a line - above it btw) d) 4.5

Which is the approximate solution to the system y = 0.5x + 3.5 and y = - x + shown on the graph? (-2.7, 2.1) (-2.1, 2.7) (2.1, 2.7) (2.7, 2.1)