Sovlving system by substitution

Y=x+5

4x+y=20

The product of 8 and a number is 272 find the number

3tens 12ones = - - tens 2 ones

Suppose that extra fingers and toes are caused by a recessive trait, but it appears in only 60% of homozygous recessive individuals. Two heterozygotes conceive a child. What is the probability that this child will have extra fingers and toes? 0.10 0.

Characteristics of ratio

Use this situation for the following question: Your restaurant bill shows the Subtotal as $52.35, tax of $5.13, making the Total $57.48. Calculate an 20% tip $

What is the degree of a polynomial that has roots of - 2, 4i and - 4i?

What is the x value in the solution to the system of linear equations 2x - y = 11 and x + 3y = - 5

How do you find the tangent of a circle?

Greatest common factor of 15 and 30 and 45

Assume that the following confidence interval for the difference in the mean time (in minutes) for male students to complete a statistics test (sample 1) and the mean time for female students to complete a statistics test (sample 2) was constructed