In addition sentence 7 + 4=11 the 7 is the addend the 11 is the sum what is the name of the 4

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.